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revision 1.1599 by jmc, Wed Feb 15 22:13:48 2012 UTC revision 1.1612 by jmc, Tue Mar 6 16:59:57 2012 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/seaice:
8      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
9      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
10      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
11    o pkg/ecco:
12      - fix writing of output file DiagnosCost_ClimSalt/Theta
13        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
14    o pkg/seaice:
15      - add missing initialisation of COR_ICE array in dynsolver.F
16      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
17        compiled either way, and is tested in all exps (multidim was only tested
18        in lab_sea ad before).
19      - cosmetic change to prepare for future addition of ITD. no change to results.
20        no defaults change.
21      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
22      - by lack of adequate verification experiments, I further used custom versions
23        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
24        should be correct.
25      - avoid recomputations in ad.
26    o array initialisation in adjoint mode:
27      1) pkg/mom_common/mom_calc_ke.F:
28        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
29        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
30        part this initialisation is gone, resulting in Floating Point Exception
31        (caught by open64 compiler with debug option).
32      2) model/src/convective_weights.F
33        set output convectCount over the full array range (instead of doing
34        an update): this fix a similar issue when called within recomputation (adjoint)
35        which could by-pass the initialisation (normally done in the caller S/R).
36    o pkg/seaice:
37      - final version of turbulent flux params, as agreed at MIT ice meet:
38           SEAICE_mcPheePiston (default is ~ 0.000875)
39           SEAICE_mcPheeTaper (default is 0.)
40           SEAICE_frazilFrac (defualt is 1.)
41           SEAICE_mcPheeStepFunc (default is false)
42      - changes results at trunction error level
43      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
44    o added pkg/frazil:
45      - see frazil_description.tex for details
46      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
47    o pkg/shelfice/shelfice_thermodynamics.F
48      - fix exponents for velocity dependent exchange coefficients: change
49        from 2/3(=0) to 0.66666666666666667
50      - move computation of velocity dependent exchange coefficients into
51        separate loop, so that it applies to both thermodynamics
52      - move some divisions by constants out of loops
53    
54    checkpoint63j (2012/02/16)
55    o pkg/seaice:
56      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
57      - SItracer:  added run time params, and allow coupling to ocn salinity.
58  o pkg/seaice: remove (almost) all divisions by constants within loops  o pkg/seaice: remove (almost) all divisions by constants within loops
59    in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d    in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
60    results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only    results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
61    those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,    those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
62    output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt    output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
63  o pkg/seaice :  o pkg/seaice :
64    - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula.EQ.    - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
65    1 or 2, using newly added run time parameter SEAICE_availHeatTaper.      = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
66    - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.    - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
67    - add permanent SItflux diag that corresponds to TFLUX but includes    - add permanent SItflux diag that corresponds to TFLUX but includes
68    ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.      ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
69    - allow activation/testing of a fix for suspected missing term in    - allow activation/testing of a fix for suspected missing term in
70    ocn-ice heat budget (to be confirmed). To test this, you want to      ocn-ice heat budget (to be confirmed). To test this, you want to
71    undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param      undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
72    SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.      SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
73    - no change in results, fwd or ad.    - no change in results, fwd or ad.
74  o global_ocean.cs32x15/results: three changes following from the pkg/seaice commit below.  o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
75    - switch to variable freezing point.    - switch to variable freezing point.
76         Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.         Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
77    - bug fix : the sublimation term that was missing is now activated.    - bug fix : the sublimation term that was missing is now activated.
# Line 29  o global_ocean.cs32x15/results: three ch Line 80  o global_ocean.cs32x15/results: three ch
80         Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.         Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
81  o pkg/seaice:  o pkg/seaice:
82    - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT    - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
83   is now the default, and the old default constant freezing point is recovered with      is now the default, and the old default constant freezing point is recovered
84   SEAICE_tempFrz0    = -1.96,      with SEAICE_tempFrz0    = -1.96,
85   SEAICE_dTempFrz_dS = 0.,           SEAICE_dTempFrz_dS = 0.,
86    - retire SEAICE_freeze that was the old way of specifycing the constant freezing point.    - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
87    - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.    - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
88    - bug fix (thanks to M. Losch) : the sublimation term that was missing is now    - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
89   activated. To reproduce old results that had this bug define SEAICE_DISABLE_SUBLIM.      activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
90    - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)    - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
91   was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).      was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
92    - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in    - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
93   seaice_growth r149 for legacy branch (no results change).      seaice_growth r149 for legacy branch (no results change).
94    - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code from I. Fenty).    - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
95    - results did not change except for global_ocean.cs32x15, mostly due to the switch      from I. Fenty).
96    to variable freezing point (see above item for detail).    - results did not change except for global_ocean.cs32x15, mostly due to the
97        switch to variable freezing point (see above item for detail).
98  o pkg/thsice:  o pkg/thsice:
99    - fix and simplify interface to salt_plume pkg ; diagnose directly amount of    - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
100      seawater freezing in thsice_calc_thickn (not used).      seawater freezing in thsice_calc_thickn (not used).
101  o pkg/seaice: turbulent flux term specification via run time params.  o pkg/seaice: turbulent flux term specification via run time params.
102    - replace CPP switches with run time switches to facilitate testing    - replace CPP switches with run time switches to facilitate testing
103    - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX, GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR    - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
104                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
105    - added runtime parameter : SEAICEturbFluxFormula    - added runtime parameter : SEAICEturbFluxFormula
106    - move Mcphee constants to SEAICE_PARAMS.h    - move Mcphee constants to SEAICE_PARAMS.h
107    - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;    - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
108      SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply); remove               SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
109      seaice_summary call (moved to seaice_init_fixed)               remove seaice_summary call (moved to seaice_init_fixed)
110    - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on    - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
111      SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)      SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
112    - seaice_summary.F : add missing report of read turbulent flux term set up (and SITRACER).    - seaice_summary.F : add missing report of read turbulent flux term set up
113    - seaice_check.F : check range; inform and stop if retired CPPs are used (incl. SEAICE_AGE).                         and SITRACER.
114      - seaice_check.F : check range; inform and stop if retired CPPs are used
115                         (incl. SEAICE_AGE).
116    - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without    - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
117          CPP switch, same computation as before for the different options.           CPP switch, same computation as before for the different options.
118    - change results at the truncation level.    - change results at the truncation level.
119  o pkg/seaice:  o pkg/seaice:
120    - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:    - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
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